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PostgreSQL 9.4.26 Documentation
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34.8. check_constraint_routine_usage

The view check_constraint_routine_usage identifies routines (functions and procedures) that are used by a check constraint. Only those routines are shown that are owned by a currently enabled role.

Table 34-6. check_constraint_routine_usage Columns

Name Data Type Description
constraint_catalog sql_identifier Name of the database containing the constraint (always the current database)
constraint_schema sql_identifier Name of the schema containing the constraint
constraint_name sql_identifier Name of the constraint
specific_catalog sql_identifier Name of the database containing the function (always the current database)
specific_schema sql_identifier Name of the schema containing the function
specific_name sql_identifier The "specific name" of the function. See Section 34.40 for more information.
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